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Biology 1525 MCQs [All-Courses]

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Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

All Topics  1525

Enzyme present in the saliva is_____________?

A lipase
B trypsin
C ptyalin
D invertase
Correct Answer: ptyalin

Which of the following is not a viral disease?

A Cowpox
B Mumps
C Tetanus
D Small pox
Correct Answer: Tetanus

The mechanism for ATP synthesis is_____________?

A Chemosynthesis
B Photosynthesis
C Phosphorylation
D Chemiosmosis
Correct Answer: Chemiosmosis

Removal or degradation of environmental pollutants or toxic materials by living organisms is called__________?

A Integrated disease management
B Hydroponic culture technique
C Pasteurization
D Bioremediation
Correct Answer: Bioremediation

True roots absent in_____________?

A ferns
B bryophytes
C gymnosperms
D angiosperms
Correct Answer: bryophytes

Which statement is incorrect for cloning?

A The nucleus of a fertilized egg is replaced by the nucleus from the cell of a fully developed individual
B Division of a single egg into one or more separate embryos.
C The individual is the mirror image of the parent organism
D It involve methods of sexual reproduction
Correct Answer: It involve methods of sexual reproduction

Which treatment is instituted in a cancerous patient?

A Antibiotic therapy
B Radiotherapy
C Gene therapy
D None of these
Correct Answer: Radiotherapy

Which is a parasitic plant?

A cuscuta
B rose
C ferns
D mosses
Correct Answer: cuscuta

Fungi resemble plants because they lack___________?

A Cell wall
B Cytoplasm
C Centriole
D Nucleus
Correct Answer: Centriole

Which of the following statement is incorrect about antibiotics?

A They are used against microorganisms
B They are always effective against bacteria
C They are used in diseases like tuberculosis and pneumonia
D They are derived from bacteria only
Correct Answer: They are derived from bacteria only
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